51491620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1567}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 113799168

約数和(自身を除く): 62307548

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 620, 1060, 1567, 1643, 3134, 3286, 6268, 6572, 7835, 8215, 15670, 16430, 31340, 32860, 48577, 83051, 97154, 166102, 194308, 242885, 332204, 415255, 485770, 830510, 971540, 1661020, 2574581, 5149162, 10298324, 12872905, 25745810, 51491620]

約数ペア:

[(1, 51491620), (2, 25745810), (4, 12872905), (5, 10298324), (10, 5149162), (20, 2574581), (31, 1661020), (53, 971540), (62, 830510), (106, 485770), (124, 415255), (155, 332204), (212, 242885), (265, 194308), (310, 166102), (530, 97154), (620, 83051), (1060, 48577), (1567, 32860), (1643, 31340), (3134, 16430), (3286, 15670), (6268, 8215), (6572, 7835)]